Feeder for ingot molds



Jan. 3. 1925.

- BI. H. HOWARD ET AL FEEDER FOR INGOT MOLDS 4 w E ,Q @W

Filed Nov. 1

Patented J an. 13, 1925 BLOOMFIELD H. HOWARD, OF WASHINGTON, DISTRICT OFCOLUMBIA, AND ERNEST J.

TURNER, OF PITTSBURGH,.

PATENT OFFICn.

PENNSYLVANIA.

FEEDER roe moor MoLns.

To allwhomitmay-comem:-' A

Be it known that we, BnooMrrnw Howann and Enxns'r J. TURNER, citizens ofthe United States, residing, respect vely, at

6 Washington-,-'- District 'of Columbia, and Pittsburgh, in the countyof Allegheny and State of Pennsylvania, have invented certain new anduseful Improvements in Feeders for Ingot Molds,'of which the followingis a specification. p I

Our invention relates to improvements in feeders for ingot molds.

, The object of our invention to prov1de a feeder for ingot molds forcasting' ron 15 or steel ingots in which the heat is retained at theupper end' of the mold and thus preventholesand seams known as pipingand at the same time reduce segregation to a minimum. Another'objectofour invention is to prowide a feeder of this character in which theupper endof the feeder is so contracted that the heat in its upwardpassage engages the walls of the feeder, and is reflected back 95against the molten ;metal,' and prevents the rapid cooling thereof,

A further ohjectof' our inyention is to provide meahswhereby acontracted feeder can be supported on the upper end'of the Il'lOld.

' v A still further object of our invention is to" provide a simple,cheap and effective. Feeder of this character having certain details ofstructuie'and combination of hereinafter, more fully set forth.

- In'the accompanying drawings Figure 1 is a perspective view of ourimproved feeder. Figure 2--is a vertical sectionalview of a mold showingour-improvedfeeder therein. Figure? is a verticalsectional view of a.mold showing a modified form of feeder therein. 1 4 Figure 4-. isatopplan view of Figure 3. Figure 5 is a perspective view showing a.modified form of feeder'.

Figure 6 is a perspective view similar to Figure 5.showing a furthermodified form offeeder. Figure 7.isa vertical sectional view of amold-showing a'modified form of feeder therein partly in section andpartly in side elevatio Referring now to the drawings, 1 repreparts iApplication filed November 1, 1924. Serial No. 747,331.

sents the mold and the feeder. The feeder 2 as shown, has: its sidewalls contractedltowards its upper end as indicated at 1 0, whereby theopen upper end of the f eeder' is of a diameter considerably less thanthe lower end 4, which fits in thebore of the mold. The upper end of thefeeder is provided with four outwardly extending arms 5, 6, 7 and 8which exten outwardly heyond'a vertical line with the lower end of thefeeder, and rest upon the upper end of the mold. These arms 5, 6, 7 and8 may he scored asindicated at 9 so that they can be broken oil so as toallow the feeder to drop down into the mold after the ingot is formedand to follow the molten metal as -it cools within the'mold. Y

In the form of feeder shown in Figures 1 and lythe'walls of the feederbeing contracted so that the open upper end is cone siderably less thanthe lower end, it will be seen that the heat from. the molten metal willstrike sloping walls thereof and absorb' the heat and also reflect theheatback into the-mold against the molten metal. It-

will be seen that the heat will not readily escape'from the feeder, butwill be retained to prevent piping outer wall of the feeder at its upperend -is provided with a flange 12 extending entirely there around, andin order to support the feeder within the mold in'the position shown, weprovide the two rods 13 and 14 which extend under the flange-12and havetheir outer ends resting upon the upper end of the mold. In order tohold the two rods in the positions shown, we provide a coil spring 15 ateach end. of the rods which "normally draws .them together andmaintains. them under the flange at the upper endof the feeder. In thisform when it is desired to allow the feeder to drop down nto the mold,as the molten metal recedes,-

as itcools, the-rods 13 and 14 can be moved from under the flange.

In Figure 5, instead of having the flange continuous, we have it cutaway, which pro rides on each side the two outwardl extending lugs 16and 17 under whic the rods 13 and 14 would pass, and the feedersupported in the same manner as that'de ed at 22. These converging wallsare provided with outwardly extending arms 22-3 which. extend out andrest upon the upper end of the mold. In this form we have employed acover 24 which closes the upper I end of the cylindrical bore of thefeeder and maintains the heat within the upper end of the mold.

Having thus fully described our invention what we claimv is 1. A feederfor ingot molds comprising a body portion having its lower end adaptedto enter the mold and having its inner walls converging towards itsupper end, and means carried by the upper end of the .feeder forsupporting-it on the upper end of the mold.."'

2. A feeder. for ingot -molds comprising a body portion having its lowerend adapted to enter the bore of the mold, and having itsinnerwallsconver m'ng towards the upper end. and means carried by theupper end of the feeder for supporting it on the upper end of the mold.

3. A feeder for ingot molds comprising a body portion having its lowerend of a'diameter to enter the bore of the mold and having itsinnerwalls converging towards the upper end, and means carried by the upperend of the feeder for supporting it on the u per end of the mold.

4. A eeder' .for ingot molds comprising a body portion having its lowerend of a diameter to enter'the bore of themold and having its innerwalls converging towards the upper end, and outwardly extending armscarried by the upper end of the feeder for supporting it upon the upperend of the mold.

5. A feeder for ingot molds comprising a body portion having its lowerend of a dianu-ter to enter the bore of the mold, and having its innerwalls converging towards its upper end, and an outwardly extendingmember carried hi the upper end of the feeder for supporting it upon theupper end of the mold.

6. A feeder for ingot molds comprising a body portion having its lowerend of a. diameter to enter the bore of the mold. and having its innerwalls converging towards its upper end. andoutwardlv extending armscarried by the upper end of the feeder and adapted-to rest upon theupper end of the nuild. and supporting the feeder within the mold.

T. A feeder for ingot molds eon'iprising a body portion having itslowerend of :1 diameter to enterthe bore of the mold, and having its innerwalls converging towards the upper end of the mold,'and the upper end ofthe feeder having outwardly extending arms resting upon the upper end ofthe mold, and said arms scored so that they can be broken off toallowthe feeder to drop into the bore of the mold.

8. A feeder for ingot molds con'iprising abody' portion having its lowerend of a diameter to enter the boreof the mold, and having its innerwalls converging towards the upper end. an outwardly extending membercarried by the upper end of the feeder. and rods resting upon the upperend of the mold below the outwardly extending- BLOOMFIELD H. HOXVARD.ERNEST J. TURNER.

